Marlon Brando character Don Vito Corleone
Al Pacino character Don Michael Corleone
James Caan character Santino 'Sonny' Corleone
Richard S. Castellano character Pete Clemenza
Robert Duvall character Tom Hagen
Sterling Hayden character Capt. Mark McCluskey
John Marley character Jack Woltz
Richard Conte character Emilio Barzini
Al Lettieri character Virgil 'The Turk' Sollozzo
Diane Keaton character Kay Adams
Abe Vigoda character Salvatore 'Sally' Tessio
Talia Shire character Connie Corleone Rizzi
Gianni Russo character Carlo Rizzi
John Cazale character Frederico 'Fredo' Corleone
Rudy Bond character Carmine Cuneo
Al Martino character Johnny Fontane
Morgana King character Carmela 'Mama' Corleone
Lenny Montana character Luca Brasi
John Martino character Paulie
Salvatore Corsitto character Amerigo Bonasera
Alex Rocco character Moe Greene
Tony Giorgio character Bruno Tattaglia
Victor Rendina character Philip Tattaglia
Simonetta Stefanelli character Apollonia Vitelli Corleone
Saro Urzì character Vitelli
Sofia Coppola character Michael Francis Rizzi
Louis Guss character Don Zaluchi
Gabriele Torrei character Enzo the Baker (uncredited)
Tony King character Tony the Stablehand (uncredited)
Richard Bright character Neri
Vito Scotti character Nazorine
Tere Livrano character Theresa Hagen
Julie Gregg character Sandrinella "Sandra" Corleone
Angelo Infanti character Fabrizio
Corrado Gaipa character Don Tommasino
Franco Citti character Calo
Max Brandt character Extra in Furniture-Moving Scene (uncredited)
Carmine Coppola character Piano Player in Montage (uncredited)
Roman Coppola character Boy on Street Who Attended Funeral (uncredited)
Don Costello character Don Victor Stracci (uncredited)
Robert Dahdah character Crowd (uncredited)
Gray Frederickson character Cowboy on the Set at Woltz's Studio (uncredited)
Ron Gilbert character Usher in Bridal Party (uncredited)
Sonny Grosso character Cop Outside Hospital (uncredited)
Joe Lo Grippo character Sonny's Bodyguard (uncredited)
Randy Jurgensen character Sonny's Killer #1 (uncredited)
Tony Lip character Wedding Guest (uncredited)
Lou Martini Jr. character Boy at Wedding (uncredited)
Raymond Martino character Corleone Family Member (uncredited)
Joseph Medaglia character Priest at Baptism (uncredited)
Rick Petrucelli character Man in Passenger Seat (uncredited)
Sal Richards character Drunk (uncredited)
Tom Rosqui character Rocco Lampone (uncredited)
Frank Sivero character Street Extra (uncredited)
Filomena Spagnuolo character Extra in Wedding Scene (uncredited)
Nick Vallelonga character Wedding Party Guest (uncredited)
Joe Spinell character Willi Cicci (uncredited)
Conrad Yama character Fruit Vendor (uncredited)